二つの議論(Two Arguments)

Recording by Yasuaki Shimizu.

Recording identifiers

ISRC
JPKI08075956
CopyrightID (CopyrightChains transaction hash)
0x8bb4fef008b2657e8c4b3076a655b42832d5a7b0bba2ff89fbbfdb031176a086
Copyright registration time
2026-07-07T23:21:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:98c9edb34be17a379074472bc0ae6b14327f6dfc9fda77fe55ebe552dd290ad3

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.